Barrier



FIG. 1 is a perspective view of a barrier according to our design;

FIG. 2 is an elevation of one side thereof;

FIG. 3 is an elevation view of one end thereof;

FIG. 4 is an elevation view of the opposite end thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is an elevation view of the opposite that illustrated in FIG. 2; and,

FIG. 7 is a bottom view thereof. 

We claim the ornamental design for a barrier, as shown and described. 